Cyber Resilience

CVE-2021-45611

Critical

Published: 26 December 2021

Published
26 December 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 9.6 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.0034 57.2th percentile
Risk Priority 19 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-45611 is a critical-severity Classic Buffer Overflow (CWE-120) vulnerability in Netgear Dc112A Firmware. Its CVSS base score is 9.6 (Critical).

Operationally, ranked in the top 42.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects DC112A before 1.0.0.52, R6400 before 1.0.1.68, RAX200 before 1.0.3.106, WNDR3400v3 before 1.0.1.38, XR300 before 1.0.3.68, R8500 before 1.0.2.144, RAX75 before 1.0.3.106, R8300 before 1.0.2.144, and…

more

RAX80 before 1.0.3.106.

CWE(s)
CWE-120

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

netgear
dc112a firmware
≤ 1.0.0.52
netgear
r6400 firmware
≤ 1.0.1.68
netgear
r8300 firmware
≤ 1.0.2.144
netgear
r8500 firmware
≤ 1.0.2.144
netgear
wndr3400v3 firmware
≤ 1.0.1.38
netgear
xr300 firmware
≤ 1.0.3.68
netgear
rax200 firmware
≤ 1.0.3.106
netgear
rax75 firmware
≤ 1.0.3.106
netgear
rax80 firmware
≤ 1.0.3.106

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-27 Platform-independent Applications
addresses: CWE-120

Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.

References